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摘要
En 中文
Charging schemes utilizing mobile wireless chargers can be applied to prolong the lifespan of a wireless sensor network. In considering charging schemes with mobile chargers, most current studies focus on charging each sensor from a single position, then optimizing the moving paths of the chargers. However, in reality, a wireless charger may charge the same sensor from several positions in its path. In this paper we consider this fact and seek to minimize both the number of charging locations and the total required charging time. Two charging plans are developed. The first plan considers the charging time required by each sensor and greedily selects the charging service positions. The second one is a two-phase plan, where the number of charging positions is first minimized, then minimum charging times are assigned to every position according to the charging requirements of the nearby sensors. This paper also corrects a problem neglected by some studies in minimizing the number of charging service positions and further provides a corresponding solution. Empirical studies show that compared with other minimal clique partition (MCP)-based methods, the proposed charging plan may save up to 60% in terms of both the number of charging positions and the total required charging time.
Keyword:
wireless rechargeable sensor network
charger planning
number of charging stops
charging time
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期刊
IF:
3.5
论文数:
7.2W
被引数:
20.9W
机构
引用论文
Improving charging capacity for wireless sensor networks by deploying one mobile vehicle with multiple removable chargers
AD HOC NETWORKS
IF4.8
Joint Energy Replenishment and Operation Scheduling in Wireless Rechargeable Sensor Networks无线可充电传感器网络中的联合能量补充和运行调度
MSR : Minimum-Stop Recharging Scheme for Wireless Rechargeable Sensor NetworksMSR: 无线可充电传感器网络的最小停止充电方案
Clustering and splitting charging algorithms for large scaled wireless rechargeable sensor networks大规模无线可充电传感器网络的分簇和分裂充电算法

